Wall charger



FIG. 1 is a front elevational view of a wall charger showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top left perspective view thereof;

FIG. 8 is a top right rear perspective view thereof;

FIG. 9 is a bottom left front perspective view;

FIG. 10 is a top left perspective view thereof, shown in an alternate position; and,

FIG. 11 is a top left rear perspective view thereof, shown in an alternate position.

The broken lines in the drawings illustrate portions of the wall charger which form no part of the claimed design. 

CLAIM The ornamental design for a wall charger, as shown and described. 